Ciuffo, Marina
Mammella, Marco
Vallino, Marta
Caciagli, Piero
Turina, Massimo
Article History
Received: 5 February 2016
Accepted: 31 May 2016
First Online: 10 June 2016
Compliance with ethical standards
: All the authors have no conflict of interest related to funding source, since this work did not rely on specific funding but instead was funded within the institutional duties demanded by the employer (IPSP-CNR).
: This article does not contain any studies with human participants or animals performed by any of the authors.